Adopt high-quality internal components. components are used internally, with stable performance, high and accurate measurement. Performance upgrade is , practical performance is improved, and is more . Adopt high-quality terminal blocks, digital identification, easy to identify wiring and use. Linear photoelectric isolation: reasonable design, exquisite production, fine workmanship, and high-quality raw materials. Application upgrade: widely used in DC voltage, low-frequency DC voltage and high-frequency DC voltage., Manufacturer: PokFhgur